feat: address missing features and bugs identified during Milestone 3 demo; improve localization, error handling, and navigation

apps/mobile/packages/features/client/settings/lib/src/presentation/navigation/client_settings_navigator.dart

@@ -1,15 +0,0 @@
-import 'package:flutter_modular/flutter_modular.dart';
-
-/// Extension on [IModularNavigator] to provide strongly-typed navigation
-/// for the client settings feature.
-extension ClientSettingsNavigator on IModularNavigator {
-  /// Navigates to the client settings page.
-  void pushClientSettings() {
-    pushNamed('/client/settings/');
-  }
-
-  /// Navigates to the hubs page.
-  void pushHubs() {
-    pushNamed('/client-hubs/');
-  }
-}

apps/mobile/packages/features/client/settings/lib/src/presentation/widgets/client_settings_page/settings_actions.dart

@@ -1,9 +1,9 @@
-import 'package:client_settings/src/presentation/navigation/client_settings_navigator.dart';
 import 'package:core_localization/core_localization.dart';
 import 'package:design_system/design_system.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:flutter_modular/flutter_modular.dart';
+import 'package:krow_core/core.dart';
 import '../../blocs/client_settings_bloc.dart';
 
 /// A widget that displays the primary actions for the settings page.
@@ -30,7 +30,7 @@ class SettingsActions extends StatelessWidget {
           // Hubs button
           UiButton.primary(
             text: labels.hubs,
-            onPressed: () => Modular.to.pushHubs(),
+            onPressed: () => Modular.to.toClientHubs(),
           ),
           const SizedBox(height: UiConstants.space4),
 

apps/mobile/packages/features/client/settings/lib/src/presentation/widgets/client_settings_page/settings_profile_header.dart

@@ -2,6 +2,7 @@ import 'package:core_localization/core_localization.dart';
 import 'package:design_system/design_system.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_modular/flutter_modular.dart';
+import 'package:krow_core/core.dart';
 import 'package:krow_data_connect/krow_data_connect.dart' as dc;
 
 /// A widget that displays the profile header with avatar and company info.
@@ -30,7 +31,7 @@ class SettingsProfileHeader extends StatelessWidget {
       shape: const Border(bottom: BorderSide(color: UiColors.border, width: 1)),
       leading: IconButton(
         icon: const Icon(UiIcons.chevronLeft, color: UiColors.textSecondary),
-        onPressed: () => Modular.to.navigate('/client-main/home/'),
+        onPressed: () => Modular.to.toClientHome(),
       ),
       flexibleSpace: FlexibleSpaceBar(
         background: Container(

apps/mobile/packages/features/client/settings/lib/src/presentation/widgets/client_settings_page/settings_quick_links.dart

@@ -2,7 +2,7 @@ import 'package:core_localization/core_localization.dart';
 import 'package:design_system/design_system.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_modular/flutter_modular.dart';
-import '../../navigation/client_settings_navigator.dart';
+import 'package:krow_core/core.dart';
 
 /// A widget that displays a list of quick links in a card.
 class SettingsQuickLinks extends StatelessWidget {
@@ -37,7 +37,7 @@ class SettingsQuickLinks extends StatelessWidget {
                 _QuickLinkItem(
                   icon: UiIcons.nfc,
                   title: labels.clock_in_hubs,
-                  onTap: () => Modular.to.pushHubs(),
+                  onTap: () => Modular.to.toClientHubs(),
                 ),
                 
                 _QuickLinkItem(